diff --git a/src/apps/cortex/addons/common/AudioBuffer.cpp b/src/apps/cortex/addons/common/AudioBuffer.cpp
index f09212714b..92ceffb4f9 100644
--- a/src/apps/cortex/addons/common/AudioBuffer.cpp
+++ b/src/apps/cortex/addons/common/AudioBuffer.cpp
@@ -295,7 +295,7 @@ uint32 AudioBuffer::findMin(uint32 fromFrame, uint32 frameCount,
 	if(pAt) {
 		// reset pAt
 		for(n = 0; n < channels; n++)
-			pAt[n] = ULONG_MAX;
+			pAt[n] = UINT32_MAX;
 	}
 	
 	// find minimum for each channel
@@ -348,7 +348,7 @@ uint32 AudioBuffer::findMax(uint32 fromFrame, uint32 frameCount,
 	if(pAt) {
 		// reset pAt
 		for(n = 0; n < channels; n++)
-			pAt[n] = ULONG_MAX;
+			pAt[n] = UINT32_MAX;
 	}
 	
 	// find minimum for each channel
@@ -400,7 +400,7 @@ uint32 AudioBuffer::findPeaks(uint32 fromFrame, uint32 frameCount,
 	if(pAt) {
 		// reset pAt
 		for(n = 0; n < channels; n++)
-			pAt[n] = ULONG_MAX;
+			pAt[n] = UINT32_MAX;
 	}
 
 	// find peaks in both directions
diff --git a/src/apps/cortex/addons/common/MediaNodeControlApp.cpp b/src/apps/cortex/addons/common/MediaNodeControlApp.cpp
index d0326ebbfb..4e6bd81323 100644
--- a/src/apps/cortex/addons/common/MediaNodeControlApp.cpp
+++ b/src/apps/cortex/addons/common/MediaNodeControlApp.cpp
@@ -82,7 +82,7 @@ MediaNodeControlApp::MediaNodeControlApp(
 	if(err < B_OK) {
 		char buffer[512];
 		sprintf(buffer,
-			"MediaNodeControlApp: couldn't find node (%ld):\n%s\n",
+			"MediaNodeControlApp: couldn't find node (%" B_PRId32 "):\n%s\n",
 			nodeID, strerror(err));
 		BAlert* alert = new BAlert("error", buffer, "OK");
 		alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
@@ -96,8 +96,8 @@ MediaNodeControlApp::MediaNodeControlApp(
 	if(err < B_OK) {
 		char buffer[512];
 		sprintf(buffer,
-			"MediaNodeControlApp: couldn't get node info (%ld):\n%s\n",
-			nodeID, strerror(err));
+			"MediaNodeControlApp: couldn't get node info (%" B_PRId32
+			"):\n%s\n", nodeID, strerror(err));
 		BAlert* alert = new BAlert("error", buffer, "OK");
 		alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 		alert->Go();
@@ -113,8 +113,8 @@ MediaNodeControlApp::MediaNodeControlApp(
 	if(err < B_OK) {
 		char buffer[512];
 		sprintf(buffer,
-			"MediaNodeControlApp: no parameters for node (%ld):\n%s\n",
-			nodeID, strerror(err));
+			"MediaNodeControlApp: no parameters for node (%" B_PRId32
+			"):\n%s\n", nodeID, strerror(err));
 		BAlert* alert = new BAlert("error", buffer, "OK");
 		alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 		alert->Go();