diff --git a/src/PatternSource.cpp b/src/PatternSource.cpp
index dc8a996..5f67207 100644
--- a/src/PatternSource.cpp
+++ b/src/PatternSource.cpp
@@ -157,6 +157,11 @@ void PatternSource::setPattern(uint type, glm::ivec2 resolution)
     // play gstreamer
     stream_->play(true);
 
+    // delete and reset render buffer to enforce re-init of StreamSource
+    if (renderbuffer_)
+        delete renderbuffer_;
+    renderbuffer_ = nullptr;
+
     // will be ready after init and one frame rendered
     ready_ = false;
 }
diff --git a/src/SrtReceiverSource.cpp b/src/SrtReceiverSource.cpp
index 6f64080..f916d35 100644
--- a/src/SrtReceiverSource.cpp
+++ b/src/SrtReceiverSource.cpp
@@ -43,6 +43,11 @@ void SrtReceiverSource::setConnection(const std::string &ip, const std::string &
     stream_->open(description);
     stream_->play(true);
 
+    // delete and reset render buffer to enforce re-init of StreamSource
+    if (renderbuffer_)
+        delete renderbuffer_;
+    renderbuffer_ = nullptr;
+
     // will be ready after init and one frame rendered
     ready_ = false;
 }
diff --git a/src/Stream.cpp b/src/Stream.cpp
index 427e8c3..f988ab4 100644
--- a/src/Stream.cpp
+++ b/src/Stream.cpp
@@ -106,7 +106,7 @@ std::string Stream::decoderName()
 
 guint Stream::texture() const
 {
-    if (!textureindex_)
+    if (!textureindex_ || !textureinitialized_)
         return Resource::getTextureBlack();
 
     return textureindex_;
@@ -202,9 +202,6 @@ StreamInfo StreamDiscoverer(const std::string &description, guint w, guint h)
 
 void Stream::open(const std::string &gstreamer_description, guint w, guint h)
 {
-    if ( w != width_ || h != height_ )
-        textureinitialized_ = false;
-
     // set gstreamer pipeline source
     description_ = gstreamer_description;
 
@@ -238,6 +235,7 @@ void Stream::execute_open()
 {
     // reset
     opened_ = false;
+    textureinitialized_ = false;
 
     // Add custom app sink to the gstreamer pipeline
     std::string description = description_;
@@ -369,7 +367,6 @@ void Stream::close()
 
     // un-ready
     opened_ = false;
-    textureinitialized_ = false;
 
     // clean up GST
     if (pipeline_ != nullptr) {
diff --git a/src/StreamSource.cpp b/src/StreamSource.cpp
index 88fd5ee..e745372 100644
--- a/src/StreamSource.cpp
+++ b/src/StreamSource.cpp
@@ -51,6 +51,11 @@ void GenericStreamSource::setDescription(const std::string &desc)
     stream_->open(gst_description_ + " ! queue max-size-buffers=10 ! videoconvert" );
     stream_->play(true);
 
+    // delete and reset render buffer to enforce re-init of StreamSource
+    if (renderbuffer_)
+        delete renderbuffer_;
+    renderbuffer_ = nullptr;
+
     // will be ready after init and one frame rendered
     ready_ = false;
 }