Fluid Placers can place over flowing liquid, and v1.4.8

gradle.properties

@@ -32,7 +32,7 @@ mod_name=Just Dire Things
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=MIT
 # The mod version. See https://semver.org/
-mod_version=1.4.7
+mod_version=1.4.8
 # The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
 # This should match the base package used for the mod sources.
 # See https://maven.apache.org/guides/mini/guide-naming-conventions.html

src/main/java/com/direwolf20/justdirethings/common/blockentities/FluidPlacerT1BE.java

@@ -168,7 +168,7 @@ public boolean placeFluid(FluidStack fluidStack, BlockPos blockPos) {
     public boolean isBlockPosValid(BlockPos blockPos, FakePlayer fakePlayer) {
         if (!level.getBlockState(blockPos).canBeReplaced())
             return false;
-        if (level.getBlockState(blockPos).getBlock() instanceof LiquidBlock)
+        if (level.getBlockState(blockPos).getBlock() instanceof LiquidBlock liquidBlock && level.getFluidState(blockPos).isSource())
             return false;
         if (!canBreakAndPlaceAt(level, blockPos, fakePlayer))
             return false;