diff --git a/lib/graphics_engine/src/ge_compressor_astc_4x4.cpp b/lib/graphics_engine/src/ge_compressor_astc_4x4.cpp
index c634f9190..0799d1a11 100644
--- a/lib/graphics_engine/src/ge_compressor_astc_4x4.cpp
+++ b/lib/graphics_engine/src/ge_compressor_astc_4x4.cpp
@@ -84,6 +84,7 @@ GECompressorASTC4x4::GECompressorASTC4x4(uint8_t* texture, unsigned channels,
                                          bool normal_map)
                    : GEMipmapGenerator(texture, channels, size, normal_map)
 {
+    m_compressed_data = NULL;
 #ifdef ENABLE_LIBASTCENC
     assert(channels == 4);
     size_t total_size = 0;
diff --git a/lib/graphics_engine/src/ge_compressor_bptc_bc7.cpp b/lib/graphics_engine/src/ge_compressor_bptc_bc7.cpp
index 41f537cdb..4296bb9de 100644
--- a/lib/graphics_engine/src/ge_compressor_bptc_bc7.cpp
+++ b/lib/graphics_engine/src/ge_compressor_bptc_bc7.cpp
@@ -26,6 +26,7 @@ GECompressorBPTCBC7::GECompressorBPTCBC7(uint8_t* texture, unsigned channels,
                                          bool normal_map)
                    : GEMipmapGenerator(texture, channels, size, normal_map)
 {
+    m_compressed_data = NULL;
 #ifdef BC7_ISPC
     assert(channels == 4);
     size_t total_size = 0;