diff --git a/reactos/win32ss/gdi/ntgdi/path.c b/reactos/win32ss/gdi/ntgdi/path.c
index eb5606bc06b..ec90a678ae1 100644
--- a/reactos/win32ss/gdi/ntgdi/path.c
+++ b/reactos/win32ss/gdi/ntgdi/path.c
@@ -1252,6 +1252,7 @@ PATH_PathToRegion(
 
     if (numStrokes == 0)
     {
+        DPRINT1("numStrokes is 0\n");
         return FALSE;
     }
 
@@ -1259,6 +1260,7 @@ PATH_PathToRegion(
     pNumPointsInStroke = ExAllocatePoolWithTag(PagedPool, sizeof(ULONG) * numStrokes, TAG_PATH);
     if (!pNumPointsInStroke)
     {
+        DPRINT1("Failed to allocate %lu strokes\n", numStrokes);
         EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
         return FALSE;
     }
@@ -1285,6 +1287,10 @@ PATH_PathToRegion(
                                    pNumPointsInStroke,
                                    numStrokes,
                                    nPolyFillMode);
+    if (!Ret)
+    {
+        DPRINT1("REGION_SetPolyPolygonRgn failed\n");
+    }
 
     /* Free memory for number-of-points-in-stroke array */
     ExFreePoolWithTag(pNumPointsInStroke, TAG_PATH);
diff --git a/reactos/win32ss/gdi/ntgdi/region.c b/reactos/win32ss/gdi/ntgdi/region.c
index ea0ef84ef51..1abf06198ea 100644
--- a/reactos/win32ss/gdi/ntgdi/region.c
+++ b/reactos/win32ss/gdi/ntgdi/region.c
@@ -3253,7 +3253,10 @@ REGION_SetPolyPolygonRgn(
 
     /* Check if iMode is valid */
     if ((iMode != ALTERNATE) && (iMode != WINDING))
+    {
+        DPRINT1("Invalid iMode: %lu\n", iMode);
         return FALSE;
+    }
 
     /* Special case a rectangle */
     if (((cPolygons == 1) && ((pcPoints[0] == 4) ||
@@ -3283,6 +3286,7 @@ REGION_SetPolyPolygonRgn(
                                   TAG_REGION);
     if (pETEs == NULL)
     {
+        DPRINT1("Failed to allocate %lu edge entries\n", total);
         return FALSE;
     }
 
@@ -3320,7 +3324,7 @@ REGION_SetPolyPolygonRgn(
                                                        TAG_REGION);
                     if (tmpPtBlock == NULL)
                     {
-                        DPRINT1("Can't alloc tPB\n");
+                        DPRINT1("Can't alloc tmpPtBlock\n");
                         ExFreePoolWithTag(pETEs, TAG_REGION);
                         return FALSE;
                     }